Hockey helmet



FIG. 1 is a rear perspective view of a hockey helmet showing our new design;

FIG. 2 is a front elevation view of FIG. 1;

FIG. 3 is a right elevation view of FIG. 1;

FIG. 4 is a left elevation view of FIG. 1;

FIG. 5 is a top plan view of FIG. 1;

FIG. 6 is a rear elevation view of FIG. 1;

FIG. 7 is a rear perspective view of a second embodiment thereof;

FIG. 8 is a right elevation view of FIG. 7;

FIG. 9 is a left elevation view of FIG. 7; and,

FIG. 10 is a top plan view of FIG. 7. 

The ornamental design for a hockey helmet, as shown and described. 